title: Ewing's sarcoma presenting as a solitary bone cyst.
abstract: This report describes a rare case of Ewing's sarcoma presenting as a cystic lesion in the proximal humeral metaphysis. The clinical, pathological and radiological findings are described and discussed, with emphasis on the radiological appearances.
authors.affiliation: Oncology Service, Royal Orthopaedic Hospital, Northfield, Birmingham, UK.
authors.forename: S M
authors.initials: SM
authors.lastname: Bhagia
authors.forename: R J
authors.initials: RJ
authors.lastname: Grimer
authors.forename: A M
authors.initials: AM
authors.lastname: Davies
authors.forename: D C
authors.initials: DC
authors.lastname: Mangham
mesh_terms: D001706:Biopsy; D001845:Bone Cysts / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy; D001859:Bone Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy; D002648:Child; D003131:Combined Modality Therapy; D003937:Diagnosis, Differential; D005500:Follow-Up Studies; D006801:Humans; D006811:Humerus / Q000000981:diagnostic imaging / Q000473:pathology; D007150:Immunohistochemistry; D008279:Magnetic Resonance Imaging; D008297:Male; D012512:Sarcoma, Ewing / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy; D014057:Tomography, X-Ray Computed